442324229 has 4 divisors (see below), whose sum is σ = 442389984. Its totient is φ = 442258476.

The previous prime is 442324219. The next prime is 442324261. The reversal of 442324229 is 922423244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442324229 - 2²⁸ = 173888773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442324195 and 442324204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442324219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21467 + ... + 36680.

It is an arithmetic number, because the mean of its divisors is an integer number (110597496).

Almost surely, 2^442324229 is an apocalyptic number.

It is an amenable number.

442324229 is a deficient number, since it is larger than the sum of its proper divisors (65755).

442324229 is an equidigital number, since it uses as much as digits as its factorization.

442324229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65754.

The product of its digits is 27648, while the sum is 32.

The square root of 442324229 is about 21031.5056284613. The cubic root of 442324229 is about 761.9273731366.

The spelling of 442324229 in words is "four hundred forty-two million, three hundred twenty-four thousand, two hundred twenty-nine".